[Automated Workflow] Add/Modify READMEs (#4504)

Regenerated READMEs

Co-authored-by: rzuckerm <[email protected]>

Author: jrg94

archive/r/rexx/README.md

@@ -2,7 +2,7 @@
 
 Welcome to Sample Programs in Rexx! To find documentation related to the Rexx code in this repo, look [here.](https://sampleprograms.io/languages/rexx)
 
-## Sample Programs List - 4/37 :disappointed:
+## Sample Programs List - 5/37 :disappointed:
 
 In this section, we feature a list of completed and missing programs in Rexx. See above for the current amount of completed programs in Rexx. If you see a program that is missing and would like to add it, please submit an issue, so we can assign it to you.
 
@@ -14,6 +14,7 @@ Below, you'll find a list of completed code snippets in Rexx. Code snippets prec
 - :warning: [Even Odd in Rexx](https://github.com//TheRenegadeCoder/sample-programs-website/issues?utf8=%E2%9C%93&q=is%3Aissue+is%3Aopen+even+odd+rexx) [[Requirements](https://sampleprograms.io/projects/even-odd)]
 - :white_check_mark: [Hello World in Rexx](https://sampleprograms.io/projects/hello-world/rexx) [[Requirements](https://sampleprograms.io/projects/hello-world)]
 - :warning: [Prime Number in Rexx](https://github.com//TheRenegadeCoder/sample-programs-website/issues?utf8=%E2%9C%93&q=is%3Aissue+is%3Aopen+prime+number+rexx) [[Requirements](https://sampleprograms.io/projects/prime-number)]
+- :warning: [Reverse String in Rexx](https://github.com//TheRenegadeCoder/sample-programs-website/issues?utf8=%E2%9C%93&q=is%3Aissue+is%3Aopen+reverse+string+rexx) [[Requirements](https://sampleprograms.io/projects/reverse-string)]
 
 ### Missing Programs
 
@@ -46,7 +47,6 @@ The following list contains all of the approved programs that are not currently
 - :x: [Quick Sort](https://github.com/TheRenegadeCoder/sample-programs/issues/new?assignees=&labels=enhancement,quick+sort&template=code-snippet-request.md&title=Add+Quick+Sort+in+Rexx) [[Requirements](https://sampleprograms.io/projects/quick-sort)]
 - :x: [Quine](https://github.com/TheRenegadeCoder/sample-programs/issues/new?assignees=&labels=enhancement,quine&template=code-snippet-request.md&title=Add+Quine+in+Rexx) [[Requirements](https://sampleprograms.io/projects/quine)]
 - :x: [Remove All Whitespace](https://github.com/TheRenegadeCoder/sample-programs/issues/new?assignees=&labels=enhancement,remove+all+whitespace&template=code-snippet-request.md&title=Add+Remove+All+Whitespace+in+Rexx) [[Requirements](https://sampleprograms.io/projects/remove-all-whitespace)]
-- :x: [Reverse String](https://github.com/TheRenegadeCoder/sample-programs/issues/new?assignees=&labels=enhancement,reverse+string&template=code-snippet-request.md&title=Add+Reverse+String+in+Rexx) [[Requirements](https://sampleprograms.io/projects/reverse-string)]
 - :x: [Roman Numeral](https://github.com/TheRenegadeCoder/sample-programs/issues/new?assignees=&labels=enhancement,roman+numeral&template=code-snippet-request.md&title=Add+Roman+Numeral+in+Rexx) [[Requirements](https://sampleprograms.io/projects/roman-numeral)]
 - :x: [Rot13](https://github.com/TheRenegadeCoder/sample-programs/issues/new?assignees=&labels=enhancement,rot13&template=code-snippet-request.md&title=Add+Rot13+in+Rexx) [[Requirements](https://sampleprograms.io/projects/rot13)]
 - :x: [Selection Sort](https://github.com/TheRenegadeCoder/sample-programs/issues/new?assignees=&labels=enhancement,selection+sort&template=code-snippet-request.md&title=Add+Selection+Sort+in+Rexx) [[Requirements](https://sampleprograms.io/projects/selection-sort)]